WO1990003031A1 - Dispositif d'enregistrement/reproduction - Google Patents

Dispositif d'enregistrement/reproduction Download PDF

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Publication number
WO1990003031A1
WO1990003031A1 PCT/JP1989/000906 JP8900906W WO9003031A1 WO 1990003031 A1 WO1990003031 A1 WO 1990003031A1 JP 8900906 W JP8900906 W JP 8900906W WO 9003031 A1 WO9003031 A1 WO 9003031A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording
carriage
reproducing
drive motor
motor
Prior art date
Application number
PCT/JP1989/000906
Other languages
English (en)
Japanese (ja)
Inventor
Tomoe Aruga
Hideya Yokouchi
Kazuyoshi Fujimori
Original Assignee
Seiko Epson Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corporation filed Critical Seiko Epson Corporation
Priority to KR1019900700919A priority Critical patent/KR940007515B1/ko
Publication of WO1990003031A1 publication Critical patent/WO1990003031A1/fr
Priority to GB9008807A priority patent/GB2231442A/en
Priority to US09/046,132 priority patent/USRE37503E1/en
Priority to US09/046,130 priority patent/USRE37426E1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/03—Positioning or locking of single discs of discs rotating during transducing operation in containers or trays
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/041—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs contained within cartridges
    • G11B17/043—Direct insertion, i.e. without external loading means
    • G11B17/0434—Direct insertion, i.e. without external loading means with mechanism for subsequent vertical movement of the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2788—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/14—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with speed sensing devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
    • H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/081—Structural association with bearings specially adapted for worm gear drives

Definitions

  • the present invention relates to a recording/reproducing apparatus used, for example, in a computer or a single-side processor. More specifically, it relates to a recording/reproducing apparatus for recording or reproducing desired information on a recording medium such as a floppy disk. Background technology
  • This type of recording/reproducing apparatus generally contains a disk drive motor, a carriage having an upper head and a lower head, and a carriage for moving the carriage, in the main frame of the apparatus. Equipped with a drive motor, a read/write, and a circuit board having a circuit for controlling the operation of the motor, and recording or reproducing by loading a recording medium into the device. is. Recently, along with the demand for miniaturization of computers and the like, there is a demand for miniaturization and thinning of the recording/reproducing apparatus.
  • FIG. 38 is a longitudinal side view of a conventional recording/reproducing apparatus
  • FIG. 39 is an enlarged view of its main part.
  • a spindle motor 502 as a carriage drive motor is attached from the bottom side of the frame 501.
  • a lower carriage 503 with a lower head attached is placed on the upper surface of the spindle motor 502 .
  • a holder 505 that moves between a position for inserting the jacket J into the recording/reproducing device and a recording/reproducing position is provided, and a lifting portion is provided on the upper carriage 504 to which the upper head is attached.
  • the upper carriage 504 is separated from the jacket J by engaging with the movement of the holder 505 that moves the insertion position of the jacket J and the recording/reproducing position 504a. be.
  • the amount of movement of the upper carriage 504 is determined by the amount of elevation of the holder 505, and the upper carriage 504 and the lower carriage 503 are separated. Due to the structure that rotates around the mounting part, the unevenness of the lifted part 504a of the upper carriage 504 is caused by the position of the upper head 506 at the tip of the upper carriage 504.
  • a disc rotation driving mechanism in the recording/reproducing apparatus as described above is disclosed, for example, in Japanese Utility Model Laid-Open No. 61-52351.
  • the configuration is shown in Figs. 40-43.
  • Fig. 40 is a plan view of a conventional disk rotation drive device
  • Fig. 41 is its bottom view
  • Fig. 42 is a longitudinal sectional view
  • Fig. 43 is a schematic sectional view of a drive pin portion. be.
  • D is the disk and H is its hub, which are indicated by dashed lines in FIGS. 510 is a disk D rotary drive, and a chucking lever 512 is pivotally supported by a fulcrum 513 on a rotary plate 511 that rotates integrally with the drive shaft 510.
  • a driving pin 514 attached to the chucking lever 512 is biased axially by a spring 515 and biased in the rotational direction by a spring 516.
  • the chucking lever 512 is pushed by the hub H as shown in Fig. 43 and escapes in the direction of the arrow r in the figure.
  • the D-rotor 518 of the disk drive motor 517 attached to the end of the rotary drive shaft 510 starts to rotate.
  • the drive pin 514 also rotates together with the rotation center shaft 510, and when the rotary drive hole h2 and the drive pin 514 meet, the drive pin 514 is moved by the spring 514. It protrudes into the rotary drive hole ⁇ 2 by the force of 1 5 .
  • a recording/reproducing apparatus described in Nikkei Electronics Magazine, No. 5-5, No. 394, 1986 has a disk as a recording medium, as shown in FIG.
  • disk drive coaxially with disk D 1
  • a motor 525 is provided, and the bearing portion 52 ⁇ a of the motor 525 is fitted into the positioning hole 526a opened in the frame 526.
  • the motor board 527 is screwed to the frame 526. It was a structure to stop and fix.
  • Upper and lower carriages 530 and 531 carrying upper and lower heads 528 and 529 are guided by guide shafts 532, and the carriage moves in the direction of arrow t in the figure.
  • the guide shaft 532 has a structure in which it is moved and positioned by a step motor (not shown) as a disk drive motor. A circuit board was attached.
  • the lower carriage 531 has a structure in which it moves up to the upper surface of the rotor 525b of the disk drive motor 525 in the drawing.
  • the disc drive motor since the disc drive motor is located at the bottom of the frame, both the motor and the frame must be thin, making it difficult to adapt to the slim shape.
  • placing the control board on the lower surface of the carriage causes the carriage and the control board to overlap in the thickness direction, which hinders thinning.
  • the carriage penetrates up to the top surface of the rotor of the disk drive motor, the carriage and rotor overlap in the thickness direction at this part as well, making it impossible to respond to thinning.
  • FIG. 45 are schematic plan views showing an example of a conventional recording/reproducing apparatus, and schematic longitudinal side views of a jacket containing a disk in a loading standby state and a loaded state, respectively.
  • the shutter opening lever 535 has an operation pin 536 that engages with the shutter (not shown) of the jacket to open the shutter at one end, and the other end is attached to the jacket. It is rotatably attached to a holder 537 that holds a plate by a fulcrum pin 538, and is always urged to rotate clockwise in Fig. 45 by a tension coil spring 539. be.
  • the rolling roller pins 537a which are a plurality of interlocking means, rotatably fix the rolling ⁇ -rollers 537b to the holder guide grooves of the frame 540.
  • the cam body 54.2 is supported by a part of a jacket guide receiving portion 543, which is a jacket supporting means, and a jacket receiving pin 54, which is a position restricting means, planted in the frame 540. It is disposed slidably in the directions of arrows ⁇ 1 and ⁇ 2, and is urged in the direction of arrow X1 by a cam body spring 545.
  • the ejector 546 shown in FIG. 45 is supported on a shaft 547 implanted in the frame 540, and oriented counterclockwise in FIG.
  • the discharging body 546 constitutes a contact portion 546a that contacts a part of the jacket J, and when the jacket J is removed, the contact portion 546a It abuts and rotates around the axis 547.
  • the eject button 549 shown in Figs. 46 and 47 is fixed to a part of the cam body 542 and arranged side by side with the decorative plate 550 arranged on the frame 540. there is
  • the jacket J When the jacket J is further pushed forward, it abuts against the abutting portion 537d of the holder 537, and moves the holder 537 in the direction of arrow X2 against the biasing force of the holder spring 541. As shown in Fig. 46, the plurality of rolling rollers 537b provided on the side surface of the holder 537 move along the guide grooves 540c of the frame 540 in the direction of arrow z2. It is moved downward by the holder spring 541.
  • the jacket J inserted in the holder 537 is received by the jacket receiving pins 544 implanted in the frame 540 and the jacket receiving portion 543. Predetermined positioning is achieved by being supported and deposited as shown in Fig. 47. Recording and reproduction are performed at that position.
  • the cam body 5 is guided by the guide pin implanted in the frame 540.
  • the cam body 542 slides in the jacket insertion/removal direction to horizontally move the holder 537 to the jacket insertion/removal position and the recording/reproducing position, so that the cam body 542 slides in the linear direction.
  • the load due to the movement is large, and the guide bins 543 544 that guide the cam body 542 and the support portion that horizontally holds and moves the holder 537 are necessary. Therefore, the shape of the cam body 542 also becomes large, and furthermore, the cam body must be arranged between the holder and the frame, resulting in a space problem.
  • the jacket is inserted by mistake, for example, the jacket is turned upside down or front to back and inserted in the direction of arrow X2 through the insertion opening 550a of the decorative plate 550 in Fig.
  • the operation pin 536 provided on the shutter release lever 535 comes into contact with the tip surface of the jacket J, and the shutter release lever 535 is rotated counterclockwise in Fig. 45. move.
  • the shirt release lever 535 rotates further in the same direction.
  • the shutter release lever 535 pushes the holder 537 forward while contacting the lever contact portion 537e of the holder 537.
  • the same mounting operation is performed along the same trajectory as the insertion in the normal state described above, which damages the components inside the device.
  • the cam body 542 includes the jacket receiving portion 543 which is the jacket supporting means and the jacket receiving pin 544 which is the position restricting means and is implanted in the frame 540.
  • the cam body 542 has a side surface of the holder 537 as shown in FIG. A plurality of rolling rollers 537b are in contact with the cam portion 542a. Therefore, when the cam body 542 is slid, there are many sliding parts, and parts for guiding the cam body 542 and parts for holding the cam body 542 are also required. In addition, a gap is required between the frame 540 and the holder 537 in order to dispose the cam body 542, and the holder 537 is moved in parallel, which increases the size. There were problems such as As described above, conventional recording/reproducing devices had various problems, particularly in miniaturization (thinning).
  • FDD floppy disk drives
  • FDD hard disk drives
  • HDD floppy disk drives
  • 0DD optical disk drives
  • tape streamers etc.
  • FDD hard disk drives
  • their external size and mounting dimensions are almost standardized according to the size of the recording medium.
  • 3.5-inch standard 5.25-inch standard (generally written as 5-inch standard, hereinafter referred to as 5-inch standard in this document), and 8-inch standard.
  • 5-inch standard hereinafter referred to as 5-inch standard in this document
  • 8-inch standard Three types of recording medium are used, and the size of the recording medium used in one electronic device is usually one type. Therefore, there was a problem of lack of versatility.
  • a recording/reproducing apparatus capable of recording/reproducing using a disc having a size different from that of the disc initially used has been proposed, for example, in Japanese Utility Model Laid-Open No. 63-11792. .
  • the configuration is shown in Figs. 48 and 49.
  • FIG. 48 is a perspective view showing an outline of a recording/reproducing device in a conventional electronic device such as a computer
  • FIG. 49 is a front view thereof.
  • the recording/reproducing apparatus for electronic equipment is designed for, for example, a 5-inch standard disk that has been used from the beginning.
  • the chassis 602 of the electronic equipment main body 601 which has substantially the same size and mounting structure as the chassis of the FDD standardized accordingly (hereinafter referred to as the 5-inch standard FDD), recently
  • a 3.5-inch standard recording/reproducing device 603 which has been standardized as it continues to be miniaturized, is installed, and on the front of the chassis 602, for example, a 5-inch standard FDD is substantially the same.
  • a front bezel 604 having the same size is attached, and the front bezel 604 has an opening 604a for mounting a 3.5-inch standard disc. It is provided.
  • a 5-inch standard FDD is mounted.
  • this recording/reproducing device can be completely replaced in place of the 5-inch standard FDD. .
  • the above-mentioned conventional FDD has substantially the same size and mounting structure as a standardized 5-inch standard FDD, and likewise has the same interface function as a 5-inch standard FDD. Then, for example, a 3.5-inch standard recording/reproducing device that is smaller than the 5-inch standard FDD. Since this recording/playback device is configured to be completely replaceable in place of the existing FDD, for example, the system However, if the recording/reproducing device is replaced, the software that was recorded on the 5-inch standard recording medium in the conventional system will be recorded on the 3.5-inch standard recording medium.
  • the initial purpose was achieved by making it possible to use the software that was designed for the purpose, the following shortcomings have become apparent in light of recent technological trends. ''
  • the present invention has been proposed under the circumstances as described above, and a first object thereof is to make the recording/reproducing apparatus as small as possible, particularly thin.
  • the present invention makes it possible to reduce the installation space for various electronic devices such as computers, improve the functions of various electronic devices, and easily expand the system by making the recording/reproducing device smaller and thinner.
  • the purpose is to make it possible.
  • the present invention provides at least a disk drive motor, a carriage having an upper head and a lower head, a carriage drive motor, a read/write, and a disk drive motor as described above.
  • a recording/reproducing device comprising a circuit board having a circuit for controlling the operation of a motor and a device body frame is made as small and thin as possible. is 20.5 mm or less.
  • rare earth magnets are used as rotor magnets for disk drive motors.
  • rare earth magnets it is possible to ensure performance equal to or better than that of the conventional one even if the size is smaller than that of the conventional one. Therefore, the outer diameter of the disk drive motor or It is possible to reduce the length in the axial direction, and it is effective in reducing the thickness of the entire device, especially when a spindle motor coaxial with the disk is used as the disk drive motor.
  • the thickness of the entire device can be reduced.
  • the circuit board and the guide shaft of the carriage are displaced from each other on the plane.
  • a neodymium iron boron is used as the rotor magnet for the carriage drive motor, sufficient torque can be obtained even if the size is reduced, and the entire device can be made thinner.
  • the thickness of the device can be further reduced.
  • the arrangement space can be reduced.
  • existing recording/reproducing devices generally set to a device thickness of 41 mm, such as the conventional 5-inch standard floppy disk drive, can be used.
  • FIG. 1 is a plan view of the recording/reproducing apparatus of the present invention
  • FIG. 2 is a jacket containing a disk as a recording medium in the recording/reproducing apparatus.
  • 3 is an exploded perspective view of the recording/reproducing apparatus of the present invention with a part omitted
  • FIG. 4 is a perspective view of the jacket
  • FIG. Fig. 6 is a partial schematic side view showing the operating state of the holder that holds the jacket
  • Figs. 7, 8 and 9 are partial longitudinal side views showing the operating state of the jig mechanism.
  • 10 is a plan view of a state in which the jacket is installed by mistake
  • FIG. 11 is a perspective view of the head load section
  • FIG. 12 is a sectional view of the head load section
  • FIG. 3 is a plan view of the recording/reproducing device with the holder removed
  • Fig. 14 is an exploded perspective view of the head, carriage and its drive mechanism
  • Fig. 15 is the head and carriage.
  • Fig. 16 is a longitudinal side view showing the arrangement of the carriage
  • Fig. 17 is a longitudinal side view showing the arrangement of the carriage drive motor
  • Fig. 17 is the arrangement of the control board and carriage
  • Fig. 18 is an exploded perspective view of a disk drive motor and a disk chucking mechanism
  • Fig. 19 is a plan view of the chucking mechanism
  • Fig. 21 is a cross-sectional view showing the arrangement of a disk drive motor
  • FIG. 22 is a perspective view showing a modification of the chucking mechanism.
  • 23, 24 and 25 are sectional views showing the operating state of the chucking mechanism, and
  • FIGS. 26 and 27 are plan views of the chucking state.
  • 28 is an enlarged plan view of the chucking mechanism, and
  • FIGS. 29, 30, 31, and 32 are the records of the present invention for electronic equipment such as computers, respectively.
  • Fig. 33 and Fig. 34 *Fig. 35 is the present invention.
  • Fig. 36 is a front view of a state in which the bright recording/reproducing device is attached to an electronic device;
  • Fig. 37 is a perspective view of an electronic device equipped with a recording/reproducing device for explaining the present invention;
  • FIG. 38 is a cross-sectional view of a carriage portion in a conventional recording/reproducing device
  • Fig. 39 is an enlarged view of its main part
  • Fig. 40 is a plan view of a chucking mechanism in a conventional recording/reproducing device.
  • 41 is a bottom view thereof
  • FIG. 42 is a longitudinal sectional view of a disk drive motor equipped with the conventional chucking mechanism
  • FIG. 43 is an enlarged view of its drive pin portion
  • FIG. 45 is a plan view of a conventional recording/reproducing apparatus
  • FIGS. 46 to 47 are conventional recording/reproducing apparatus.
  • Fig. 48 is an exploded perspective view showing the arrangement of a recording/reproducing device with respect to a conventional electronic device
  • Fig. 49 is its front view. be. Best Mode for Carrying Out the Invention
  • 1 is the recording/reproducing device
  • 2 is the frame of the main body of the device
  • the frame 2 is, as shown in FIG.
  • arrows are used in Fig. 3 below.
  • the direction of XI ⁇ ⁇ 2 is the front-rear direction of the apparatus
  • the direction of arrow Y 1 ⁇ ⁇ 2 is the left-right direction
  • the direction of Z 1 ⁇ ⁇ 2 is the vertical direction.
  • the frame 2 is configured to be attached to an electronic device such as a computer (not shown) via a pair of left and right brackets 4.
  • Each bracket 4 has a mounting hole 4a shown in FIG. It is attached to the frame 1 by passing screws (not shown) through.
  • 4 b is a female screw hole for screwing to electronic equipment.
  • a decorative plate having an insertion opening 6a for a jacket J (shown in FIG. 4) containing a disk D as a recording medium.
  • 6 is attached to the side of the frame by a locking hook 6b provided integrally therewith, and on the inner surface side of the decorative plate 6 is an opening/closing shutter 7 for blocking the cartridge opening 6a.
  • the shutter 7 is rotatably attached by inserting a support 7a into a hole 8 formed in the frame 2, and is inserted by a torsion coil spring 9 fitted on the support shaft 7a.
  • the mouth 6a is rotatably biased in the direction to always close it.
  • a holder 10 for housing and holding the jacket J is provided in the frame 2 as shown in FIG.
  • the holder 10 is constructed by bending the left and right sides of a brace made of metal or the like inward into a substantially U-shape. Approximately the front of the part is open.
  • the left and right sides of the jacket J are inserted along the inner surface of the U-shaped bent portion. Therefore, the inner dimensions of the holder 10 are formed to be substantially equal to the outer width dimensions of the jacket J.
  • a pair of short cylindrical protrusions 10a is formed on each of the left and right side surfaces of the holder 10.
  • a roller 11 is rotatably attached to the .
  • a tension coil spring 13 is provided to always urge the holder 10 obliquely forward and downward in the drawing, and each roller 11 of the holder 10 is attached to the stepped guide as shown in FIGS. It is configured to selectively position and fix to the corner of the upper stepped portion 12a or the lower stepped portion 12b of the groove 12.
  • the holder 10 When the jacket J is not inserted into the holder 10, the holder 10 is at the jacket removal position, that is, the roller 11 is at the corner of the upper stepped portion 12a as shown in FIG.
  • the holder 10 is positioned at the same height as the jacket opening 6a of the decorative plate 6, and the jacket J can be inserted into the holder 10 through the opening 6a. It is possible.
  • the jacket J is attached to the holder 10 in the direction of the arrow in Fig. 5.
  • the holder 10 along with the jacket J moves to the right in FIG. It rolls on the lower stepped portion 12b to bring the hobbed reader 10 to a predetermined recording/reproducing position, that is, the jacket J in the holder 10 is placed on a disc drive motor M1, which will be described later. configured to be located.
  • Each of the rollers 11 is attached to the protrusion 10a of the holder 10 so as to be removable, and the height of the holder 10 relative to the frame 2 can be adjusted by selectively attaching rollers having different diameters. The position etc. can be adjusted.
  • a shutter release lever 15 is provided for moving the shutter to the open position.
  • the shutter opening lever 15 is rotatable by engaging a fulcrum pin 15a provided integrally therewith with a hole 16 formed in the cut-and-raised piece 10c of the holder 10. installed in the At one end of the opening lever 15, an operating projection 15b for engaging with the shutter J1 of the jacket J to open the shutter J1 is integrally downward in the figure.
  • the operating protrusion 15b comes into contact with the edge of the shutter J1 and the release lever 15 rotates counterclockwise in FIG. It is configured to open the shutter J1 by moving.
  • a return spring 17 of the lever 15 is connected to the other end of the shutter release lever 15, and the other end of the return spring 17 is rotatable to the holder 10 by a shaft 18a. It is connected to a mounted trigger 18 and always urges the trigger 18 to rotate clockwise in FIG. 5
  • a downward protruding piece 18b is provided on the body. The trigger 18 is moved counterclockwise in FIG. 1, the jacket release lever 15 moves clockwise in FIG. 1 to move the jacket in the discharge direction.
  • the other free end 18c of the trigger 18 contacts the rear inner surface 12c of the groove 12 formed in the side surface of the frame when the jacket is mounted as shown in FIG.
  • the holder 10 is configured to abut against the slope 12d on the rear side of the groove, thereby preventing the holder 10 from accidentally moving due to vibration or the like. ing.
  • Twenty lifters 20 are provided on the top surface of the front portion of the holder 10 for lifting the holder 10 from the recording/reproducing position shown in FIG. 6 to the jacket removal position shown in FIG. .
  • the lifter 20 has a configuration in which both ends of a horizontally long plate material such as metal are bent downward. are shown in Figures 1 and 2 It is rotatably held by engaging with a groove 21 formed in the side surface of the frame.
  • 22 is a retaining screw inserted through one of the short cylindrical projections 20a and screwed into the side of the frame so that the holder 1 will not come off when the device receives an impact force from the outside. 0 is prevented from slipping upward (toward the front of the paper in Fig. 1). If a cover or the like is provided on the upper surface of the device main body, the above-mentioned pull-out prevention screw can be omitted.
  • the lifter 20 On both sides of the lifter 20, as shown in FIG.
  • Operating arms 20c for rotating the lifter 20 around the projection 20a are integrally provided below one of the rotating arms 20b.
  • the lifter 20 as shown in FIGS. 7 to 9, has an eject arm 23 engaged with the operating arm 20c through a recess 23a and an eject button attached thereto.
  • the eject button 24 is slidably inserted into a hole 6c formed in the decorative plate 6. As shown in FIG. In the illustrated example, the eject button 24 is detachable from the eject arm 23 for easy replacement, but it can also be integrated with the eject arm 23.
  • the lifter 20 is in the state shown in FIG. 7 when the holder 10 is at the jacket insertion/extraction position shown in FIG. It is in a slightly retracted state. In the state shown in FIG. 7, the spring bearing i0b of the holder 10 and the projection 20d formed on the lifter 20 are in contact with each other with play, so the lifter 20 in FIG. Clockwise rotation is blocked.
  • Unnecessary operation of the holder 10 includes misinsertion of the jacket J, forceful sliding of the holder 10 before the shutter J1 of the jacket J is opened, and opening of the shutter J1. It means when there is or is not there.
  • Fig. 10 when the jacket J is inserted in the direction of arrow f with the front and back reversed or the front and back reversed, the tip of the jacket J in the direction of insertion touches the operation protrusion 15 of the shutter release lever 15. 10, the shutter release lever 15 slightly rotates counterclockwise in FIG. Before contacting, the lock pin 15c provided on the shutter release lever 15 contacts the cut-and-raised portion 10e which is a part of the holder 10. As shown in FIG.
  • the holder 10 slides slightly in the direction of the arrow f against the biasing force of the spring 13, but before long, the free end 18c of the trigger 18 arranged on the holder 10 is pushed into the frame 2.
  • the holder 10 is prevented from sliding in the direction of the arrow a, and the jacket cannot be inserted any further.
  • the mouthpiece 11 of the holder 10 is not removed from the upper stepped portion 12a shown in FIG.
  • the shutter release lever 15 does not swing, Even if the holder 10 slides in the direction of the arrow f due to some external force, the holder 10 is not attached due to the previous motion. This prevents damage to components inside the device.
  • an upper head 40 and an upper carriage 41 for holding the head are provided at the rear of the holder 10, as shown in FIGS. 1 and 11, an upper head 40 and an upper carriage 41 for holding the head are provided. As shown in FIGS. 1, 3, 11 and 12, the upper head 40 is mounted on the rear upper surface of the holder 10 in conjunction with the upward movement of the holder 10. A head rod arm 30 is provided for retracting movement. Below the upper head 40 and the lower carriage 41, a lower head 50 and a lower carriage 51, which will be described later, are provided below the upper head 40 and the lower carriage 41.
  • the head load arm 30 has a pair of projecting pins 30a.
  • the lower end of the adjusting screw 32 screwed into the approximate center of the head load arm 30 is brought into contact with the upper surface of the holder. It is held at a predetermined height position.
  • 33 is a torsion coil spring that always rotates and urges the head load arm 30 in the direction of contact with the upper surface of the holder.
  • the holder 10 When the jacket J in the holder 10 is set at the recording/reproducing position, the holder 10 is at the solid line position in FIG. to the holder 2 ⁇
  • the head draw door 130 also moves upward in parallel as indicated by the line in the same figure.
  • the free end 30b of the head load door arm 30 engages with the lifted portion 41a of the upper carriage 41 and moves together with the upper carriage 41.
  • the structure is such that the upper head 40 is lifted to secure a predetermined clearance between the upper head 40 and the jacket J.
  • the free end 30b of the header 10 can be moved up and down as shown in the figure by turning the adjusting screw 32. The above clearance can be adjusted accordingly.
  • an eccentric pin 34 may be provided to adjust the free end 30b of the head load arm 30 in parallel.
  • a damper 35 is provided near the head load arm 30 as shown in FIG.
  • the damper 35 has a structure in which the damper 35a is engaged with a portion 30c of the head drop arm 30, and the damper 35 moves the jacket to the recording/reproducing position.
  • the upper head 40 is prevented from abruptly contacting the disk D when installed.
  • the upper carriage 41 holding the upper head 40 is replaced with the lower carriage 51 holding the lower head 50 as shown in FIGS. , and the carriage 5 1 below it
  • the upper head 40 and the lower head 50 are set at the recording/reproducing position by moving along the carriage guide shaft 60 by means of a step motor M2 as a driving motor. It is configured to move and position in the radial direction with respect to the disc.
  • a bearing portion 51a for the guide shaft 60 is provided on the lower surface side of the lower carriage 51, and the lower carriage is attached to the bearing portion 51a.
  • a sintered metal 65 for the movement guide of the die 51 is pressed in.
  • the recess 51b of the lower carriage 51 shown in FIG. It is glued and fixed.
  • a preload is applied to the lead pin 62, and the lead pin preload spring 63 is attached to the lower carriage with a screw 64 so that the lead pin 62 accurately traces the groove of the lead screw 61. It is attached to the female screw hole 5 1 c of 5 1 .
  • the lower carriage 51 is provided with a stopper portion 51d for preventing the lead pin 62 from coming off the groove of the lead screw 61 when force due to impact or the like is applied. ing. Further, at the tip of the lower carrier 51, there is a shield plate 52 for blocking magnetic leakage from a disk driving motor Ml, which will be described later, and a lower tip for recording/reproducing signals on the disk. It is attached to a cymbal 50a made of a leaf spring having a gimbal structure for maintaining good contact between the head and the disk, and is adhesively fixed in place. In addition, the lower carriage 51 moves to the reference position for a part of the lower carriage 51. A 00 shutter 53 for blocking an optical sensor (not shown) for detecting the occurrence of light is mounted so as to be movable in the direction of arrow g in FIG.
  • An upper head 40 attached to the upper gimbal 40a like the lower head 50 is adhered to the upper carriage 41.
  • the upper carriage 41 lifts the lifting portion 41a by the aforementioned 'sword' load arm 30 when setting or ejecting the jacket J.
  • the upper carriage 41 is provided with a pair of fulcrum portions 41b serving as pivot points, and the lower carriage 5 is supported by suspensions 42 made of leaf springs. 1 is installed.
  • 43 is a suspension holder, and 44 is a mounting screw which is screwed into the female screw hole 51f of the lower carriage 51.
  • a head load spring 54 is attached to the lower carriage 51 in order to apply preload to the lower head 50 and the upper head 40 and obtain contact pressure with the disk. It is hooked between the portion 51e and the spring hooking portion 41c of the upper carriage 41.
  • the spring hooking portion 41c of the upper carriage 41 has three hooking positions so that the pressure applied to the head can be finely adjusted. Further, by positioning the head load spring 54 inside the triangle connecting the lifting portion 41a of the upper head 40 and the pair of fulcrum portions 41b, , the upper carriage 41 is lifted horizontally without tilting even if only one part of the lifting part 41a is lifted. Also, the upper carriage 41 is attached to the lifting portion 41a.
  • the suspension holder 43 holding the suspension 42 is provided with a pressing portion 43a for the fulcrum portion 41 of the upper carriage 41 to prevent the fulcrum portion 41b from being pushed. It has a structure that improves impact resistance. Flexible printed circuit boards 40b and 50b for connecting the control circuit and the heads protrude from the upper and lower heads 40 and 50, but are thin and easy to handle. Since it is bad, a groove 51g is provided in the lower carriage 51 to guide it.
  • the flexible printed circuit board 40b for the upper head guides the flexible printed circuit board 40b by means of the hook 41d of the upper carriage 41, thereby supporting the flexible printed circuit board 40b.
  • the shape of the printed circuit board 40b is maintained in a predetermined shape.
  • the carriage guide shaft 60 is attached to the frame 2 by clamps 66 from the bottom side (in the same direction as the mounting surface of the disk drive motor to be described later) with screws 67.
  • the stepping motor M2 for moving and positioning the carriage along the guide shaft 60 in the radial direction of the disk has one step. ' Rotate 18 degrees.
  • the lead screw 61 is guided by a pivot bearing 68 attached to the frame 2 at its tip and a metal bearing 69 also attached to the frame 2 at its central portion, and is oriented in the thrust direction. and radial direction. Balls 70 and 71 with high hardness are embedded in the tip and rear ends of the lead screw 61 to improve wear resistance.
  • a rotor magnet (rotor magnet) 72 of the step motor M2 is adhesively fixed to the lead screw 61.
  • Neodymium iron boron is used for the rotor magnet 72, and since it has a large magnetic force, sufficient torque can be obtained even if the diameter is made small, so the size of the step motor is reduced.
  • a thrust spring 73 for applying a thrust-direction preload to the lead screw 61 is set at the rear end of the step motor M2, and is attached to the motor cap 74. It receives more thrust force.
  • a motor clamp 75 is provided outside the step monitor M2, and the step motor M2 is fixed to the frame 2 by the springiness of the motor clamp 75. In such a structure, it is common practice to adjust the position of the carriage by rotating the step motor M2.
  • the lead screw 61 By rotating the step motor M2, the lead screw 61 also rotates, and the lead pin 62 engaged with the groove of the lead screw moves to move the carriage position. Since the contact portion of the motor clamp 75 with the motor M2 of the motor clamp 75 is formed into a convex shape 75a, the stepping motor M 2 is easy to roll and easy to adjust. Further, the flange 76 of the stepping motor M2 is toothed to facilitate adjustment with a jig and automation.
  • the centering of the step motor is performed by the engagement between the metal bearing 69 provided on the frame 2 and the flange 76 of the step motor M2.
  • a control board 80 is screwed and fixed to the frame 2 on substantially the same plane as the carriage 51.
  • the control board 80 and the carriage guide shaft 60 are staggered in the plane as shown in FIG. In this way, the thickness of the device can be reduced.
  • the control board 80 and the carriage 51 partially overlap, but as shown in FIG. A portion of the low-height part 80b and the carriage 51 are overlapped to avoid overlapping with the carriage 51. Therefore, basically, the control board 80 and the carriage 51 are prevented from being overlapped in the thickness direction of the recording/reproducing device (vertical direction in FIG. 17).
  • FIG. 13 a disk driving motor and a disk chucking mechanism for chucking and rotating a disk will be described with reference to FIGS. 13 and 18 to 21.
  • FIG. 13 a disk driving motor and a disk chucking mechanism for chucking and rotating a disk
  • the disk drive motor M1 is a spindle motor.
  • the motor Ml is held on a motor board 81 on which a control board for the motor is mounted, and the board 81 is attached to the frame. 2, the motor M1 is arranged in the opening 3 of the frame 2 as shown in FIG.
  • a detection switch 82a ⁇ 82b for detecting the recording/reproducing device is attached, and a connector 83 for attaching an LED for indicating the operation of the recording/reproducing device is attached.
  • a housing 84 and a stator 85 around which a coil is wound are located in the center of the motor board 81, and are fixed by a structure sandwiched between a nut plate 86 and three countersunk screws 87.
  • a ball bearing 89 is bonded to the housing 8 4 after a metal bearing 8 8 is press-fitted.
  • a rotor magnet (driving magnet) 92 facing the steer 85 is adhesively fixed to these bearings 88 89, and a detection magnet 93 for detecting the rotational speed of the motor ⁇ 1 and , a chucking magnet 94 for sucking and positioning the hub ⁇ of the disk D, and a rotary drive shaft 91 are attached.
  • a rotary drive shaft 91 of a rotor 90 co-molded with a plastic magnet is inserted through a spacer 95 for axial position adjustment.
  • a chucking magnet 94 is molded and fixed on the upper surface of the rotor 90, and an arcuate opening 94a is formed through which the rotor surface is partially visible.
  • this opening 94a there is a fulcrum by a barring provided on a chucking lever 96 for engaging with the drive hole h2 of the hub H to drive and center the hub H.
  • a fulcrum hole 90a that engages with the shaft portion 96a to constitute a pivotal fulcrum of the chucking lever 96, and a lever pin 97 for guiding the chucking lever 96 and attaching it to the rotor 90.
  • a force-fitting hole 9 Ob is provided to fix the by crimping.
  • a slide sheet 98 made of a material with good slidability for receiving the hub H is adhered.
  • 81a is a screw for attaching the motor board 81 to the frame 2. In the illustrated example, it is attached from below the frame 2 with three countersunk screws 81a.
  • the chucking magnet 94 is magnetized at the portion marked with a large number of dots, so that the chucking force of the hub H with respect to the center of the surface roller drive shaft 91 becomes uniform. Also, as shown in Figs. 19 and 20, the diameter of the guide hole 96 of the checking lever 96 is pushed through the guide hole 97a of the lever pin 97. The chucking lever 96 can be moved in the direction of arrow j in FIG. 19 by the required amount. On the other hand, only a slight clearance between the lever pin 97 and the chucking lever 96 can move in the direction of arrow k in FIG. The engagement between the fulcrum shaft portion 96a by the balling provided on the 96 and the fulcrum hole 90a for constituting the pivotal fulcrum of the checking lever 96 is never come off
  • the hub H is adsorbed onto the slide sheet 98 by the chucking magnet 94 as shown in FIG.
  • the driving hole h1 of the hub H and the Hub H is slightly tilted because the position of the chucking lever is not aligned. It is to be In order to reduce the inclination of the hub H at this time and to perform stable chucking, the engagement amount £1 between the chucking lever 96 and the hub H in FIG. Experimentally, it was best to set it to 78 mm or less.
  • the upper surface 90c of the rotor 90 of the motor Ml is configured to be slightly lower than the upper surface 2d of the frame 2, although it is substantially coincident with the upper surface 2d of the frame 2. , the interference with the jacket J containing the disc D is prevented.
  • the bearing portion of the motor Ml is such that the surface rolling drive member 91 fixed to the motor 90 is inserted into the center holes of the ball bearing 89 and the metal bearing 88. For example, when a large impact is applied from the outside, the rotating cloud jj shaft 91 may move in the direction opposite to the motor board 81, that is, upward in the figure.
  • the speed detection magnet 93 provided on the outer peripheral surface of the rotor is formed to be larger than the hole diameter of the opening 3 of the frame 2, and when the aforementioned impact is applied, the rotor 90 will move upward in the drawing. Even if it moves, the speed detection magnet 93 abuts against the edge of the opening 3 to prevent the rotary drive shaft 91 and the rotor 90 from coming off.
  • the lower carriage 51 is arranged radially outward from the outer shape of the rotor 90 of the motor M1, and the carriage 51 is located at the innermost position of the disk D.
  • This structure prevents the rotor 90 and the carriage 51 from overlapping each other in the thickness direction (vertical direction in FIG. 21) even if they move circumferentially.
  • the outer shape of the rotor 90 is 38 cm in diameter, and the position of the tip when the carriage 51 moves most toward the rotor is 19,000 cm from the center of the motor M1. It is 5 IM, and the rotor 90 and the carrier 51 do not cross each other.
  • the speed detection magnet 93 has a diameter of 42 mm and partially overlaps the carriage 51 in the thickness direction, but the speed detection magnet 93 is thin in the thickness direction.
  • Figure 17 above Similar to the partial overlapping of the control board 80 and the carriage 51 in , it does not affect the thickness direction of the recording/reproducing device. As a result, in the example, the thickness from the lower surface of the motor substrate 81 to the upper surface of the rotor could be made 6 satsu.
  • FIGS. 5 As shown in Fig. 5, in order to obtain good contact with the disc, an upper head 40 is arranged so that the recording/reproducing surface is almost flush with the disc. There is a supporting upper carriage 41. In order to take out the jacket J containing the disc from the recording/reproducing device, it is necessary to lift the upper head 40 by about half the thickness of the jacket J and escape the jacket J.
  • the thickness of the motor Ml is 6 mm
  • the thickness of the chucking part is 0.8 mm
  • the height from the hub H to the disk surface is about 1.4 mm
  • the thickness of the jacket J is is 3.3 mm (both listed in American National Standard X3B8-84-201).
  • the upper head 40 has been standardized in the industry for use in flexible disk drives, and is 2.7.
  • the upper carriage 41 needs at least 0.5 satsu to create the shape.
  • the minimum required thickness of the entire device is 6 mm for the motor Ml, 0.8 mm for the chucking portion, and 0.8 mm for the disk. 1.4 MI, half jacket thickness 1.65 mm, upper head thickness 2.7 mm, upper carriage thickness 0.5 ran plus 1 3.
  • One end of the chucking lever 96 is rotatably fixed to the rotor 90 by a chucking lever pin 99a, as shown in FIG. 9 9 b is crimped and fixed.
  • the chaffing lever 96 is arranged in an opening 94a provided in the chaffing magnet 94, and an opening is also provided in the upper surface of the rotor corresponding to the opening 94a. ing.
  • the drive pin 99b projects upward from the slide seat 98 as shown in FIG. In this state, when the hub H of the disc D is sucked and held on the slide sheet 98 by the chucking magnet 94, the drive hole h 2 and the drive pin 99b are unlikely to match in positional relationship, the drive pin 99b is pushed by the hub H and the chucking lens N-96 is bent and moves downward. .
  • a spring plate material having a plate thickness of about 0.15 MI is used for the chucking lever 96 in this embodiment.
  • the drive pin 99b has a drive hole h as shown in FIG.
  • an arcuate opening 94 is provided in the rotor and the chucking magnet 94 as shown in FIG.
  • the chucking lever pin 99a has a clearance of 0.1 mm or less so as to restrict the movement in the vertical direction in the drawing of the chucking lever 96. Hold the lance and hold the chucking lever 9 6. be.
  • the protruding amount £ of the drive pin 99b from the upper surface of the slide sheet 98 is set to 1/2 or less, which is the sum of the thickness of the rotor 90, the chucking magnet 94 and the slide sheet 98.
  • the chucking lever 96 does not protrude into the rotor 90 during chaffing as shown in Fig. 24, and the sliding force between the hub H and the driving pin 99b is small. This makes it possible to reduce the thickness of the chucking mechanism and reduce the abrasion between the hub H and the driving pin 99b during chucking.
  • the motor M1 can be thinned in the same manner as in the above example, and the entire recording/reproducing apparatus can be thinned.
  • the thickness of the entire device can be reduced to at least 20.5 or less.
  • the thickness can be reduced to about 16 squares as described above, and the installation space in electronic equipment such as a computer can be greatly reduced.
  • the thickness is set to 20.5 mm or less as described above, when the recording/reproducing device 1 of the present invention is mounted on an electronic device such as a computer, for example, the following arrangement configuration is adopted. becomes possible.
  • 29 to 37 show the above-mentioned floppy disk as an external storage device for electronic equipment related to computers.
  • 1 shows the arrangement configuration of a recording/reproducing device 1 using a disk drive (FDD). .
  • 101 is an external storage device for electronic equipment, and conventionally used, for example, 5 disk
  • the chassis 102 which has substantially the same size and mounting structure as the chassis of the 3.5-inch standard FDD, for example, a 3.5-inch standard FDD that has been miniaturized as described above and which is made of, for example, sheet metal processing.
  • a front bezel 104 having approximately the same size as, for example, a 5-inch standard FDD is attached to the front of the chassis 102.
  • the front bezel 104 has an insertion slot 104a for loading a 3.5-inch standard disk corresponding to two recording/reproducing devices 1 (Fig. 29 and Fig. 30). and (not shown in Figures 31 and 32).
  • the front bezel 104 has a recess 1 suitable for inserting a 3.5-inch standard disk near the approximate center of the opening 104a. 04b, and also has a button 116 for ejecting the 3.5-inch standard disk and an LED 117 for displaying the operating state of the recording/reproducing device 1.
  • the front bezel 104 is attached to the front surface of the chassis 102.
  • the mounting structure is as follows.
  • front bezel A fixing part 104b is formed on the bezel 104, and a key-shaped key is provided on the upper end of both sides of the chassis 102 to support the front bezel 104 so that it does not tilt forward.
  • the engaging portion 102b is configured, the front bezel 104 is provided with a hook portion 104c that engages with the engaging portion 102b, and the engaging portion 10 After engaging hook portion 104c with 2b, front bezel 104 is fixed to the bottom surface of chassis 102 with screw 119.
  • a detailed structure for mounting two units of the recording/reproducing device 1 in the chassis 102 will be described later. is part of the chassis 102 and fixed by a plurality of screws 106.
  • At the rear of the recording/reproducing device 1 is a 5-inch standard FDD, for example, which is different from the commonly used interface function standardized for 3.5-inch standard recording/reproducing devices. It is equipped with a relay board that has the same interface function as the
  • the relay board 105 shown in Fig. 29 includes a card bridge connector 107 that connects to a connector on the host side to exchange signals, a power connector 108 that receives power supply, It is connected to each of the two recording/reproducing devices 1 to transmit and receive signals.
  • a connector 109 arranged at the end of the cable 110 has two power supply terminals 111 which are connected to the two recording/reproducing devices 1 respectively to supply power. Secure to chassis 102.
  • the relay board 105 is equipped with a driving element 112 that increases the current drive capability of the output signal of the 3.5-inch standard recording/reproducing device 1 to the current value of the 5-inch standard FDD. Also, as selective setting means for selectively setting the driving state of the recording/reproducing device 1 of the 3.5 inch standard and for selectively setting the specifications, for example, a plurality of short plugs It also has 1 1 4.
  • the relay board 105A shown in FIG. 30 differs from the intermediate board 105 shown in FIG. There are no two power terminals 11 for supplying power to the flat cable 110, and power is supplied through two connectors 109 arranged at the ends of the flat cable 110.
  • relay board 105A includes card edge connector 10 ⁇ for connecting to a connector on the host side to transmit and receive signals, and power supply.
  • Two connectors 10 arranged at the ends of a flat cable 110 for transmitting/receiving signals and supplying power by connecting to the two recording/reproducing devices 1 respectively. has 9 screws 1 Secure to chassis 102 with I3.
  • the drive element 112 that increases the current drive capability of the output signal of the recording/reproducing device 1 of the 3.5-inch standard to the current value of the FDD of the 5-inch standard is mounted on the intermediate ribbon substrate 105A.
  • selective setting means for selectively setting the driving state of the 3.5 inch standard recording/reproducing device 1 and for selectively setting the specifications for example, a plurality of shows It also has a top plug 114.
  • the relay board 115 shown in Fig. 3-1 differs greatly from the relay boards 105 and 105A shown in Figs. Corresponding to the two recording/reproducing devices 1, it has a two-board structure, and the rest of the structure is the same as that shown in FIG. , a single edge connector 107 for transmitting and receiving signals by connecting to a connector on the host side, a power connector 108 for receiving power supply, and connecting to each of the two recording/reproducing devices 1 to transmit signals.
  • the relay board 11 has a connector 109 arranged at the end of the flat cable 110 and a power terminal 111 connected to the recording/reproducing device 1 to supply power.
  • a bush 118 is set between 5 and fixed to the chassis 102 with a screw 113.
  • the relay board 115 has the current drive capability of the output signal of the 3.5-inch standard recording/reproducing device 1, and the 5-inch standard FD.
  • Each drive element 112 is provided with a current value of D, and the drive state of the 3.5-inch standard recording/reproducing device 1 can be selectively set and the specifications can be selectively set.
  • selective setting means for setting for example, a plurality of short plugs 114 are also provided respectively.
  • the relay board 115A shown in FIG. 32 differs from the relay board 115 shown in FIG. 31 in that it is connected to the recording/reproducing device 1 shown in FIG. There is no power terminal 111, and power is supplied through a connector 109 arranged at the end of the flat cable 110.
  • relay board 115A includes card edge connector 107 that connects to a connector on the host side to transmit and receive signals, and power supply. It has a power connector 108 that receives a signal, and a connector 109 arranged at the end of a flat cable 110 that is connected to the recording/reproducing device 1 to exchange signals and supply power.
  • a bush 118 is set between the relay boards 115 and fixed to the chassis 102 with a screw 113 .
  • the relay board 115A is provided with a drive element 112 that increases the current drive capability of the output signal of the 3.5-inch standard recording/reproducing device 1 to the current value of the 5-inch standard FDD. Also, there is a selective setting for selectively setting the driving state of the 3.5 inch standard recording/reproducing device 1 and selectively setting the specifications. As a fixing means, for example, a plurality of short plugs 114 are also provided.
  • the chassis 102 has substantially the same size and mounting structure as the 5-inch standard FDD chassis mentioned above, and is made of steel sheet metal, for example.
  • Approximately vertical sidewalls 102a are formed inside the recording/reproducing device 1 by, for example, bending work so as to approximately match both side surfaces of the recording/reproducing device 1, and between the sidewalls 102a, a small-sized device is provided as described above.
  • Two standardized 3.5 inch standard recording/reproducing devices 1 are attached and fixed with a plurality of screws 106.
  • the recording/reproducing device 1 is arranged inside the chassis 102, and the bottom surface 102c of the chassis 102 and the bottom surface 1b of the recording/reproducing device 1 are connected to the chassis 10. Two 3.5-inch standard recording/reproducing devices 1 are mounted one on top of the other.
  • FIG. 35 as in FIG. A space 1a is provided between the two 3.5-inch standard recording/reproducing devices 1 arranged inside the palm 102, so that even if the arrangement becomes overcrowded, Noises such as electric fields and magnetic fields emitted by both recording/reproducing devices 1 affect each other, causing deterioration of the recording/reproducing devices, or the operation sounds of both recording/reproducing devices 1 affect each other. Care has been taken to avoid resonance.
  • the recording/reproducing device 1 can be completely replaced in place of the 5-inch standard FDD. ing.
  • the front bezel 104 is provided with an insertion slot 104a for loading a 3.5-inch standard disk corresponding to two recording/playback devices 1.
  • it is not limited to two each, and It is also possible to configure the configuration by installing one unit of each.
  • recording/reproducing devices such as FDD, HDD, ODD tape streamers, etc., which are widely used as part storage devices of various electronic devices connected to computers, vary in size of the external body and mounting dimensions. etc. are almost standardized according to the size of each recording medium, and because of the progress of standardization with FDD as the standard, in the above-mentioned embodiment, for convenience of explanation, FDD was used as an example.
  • the mechanism thickness of the FDD is set from a different point of view.
  • 2 units of 3.5-inch standard recording/reproducing devices can be installed in the same space as a 5-inch standard FDD with a thickness of 4 mm, which is currently the most popular and widely used.
  • the recording/reproducing device is not limited to a unitized device such as an FDD, but preferably a unitized device can be used as a single FDD even if it is separated from the chassis 102. convenient to handle.
  • the thickness of the 3.5-inch standard recording/reproducing device is preferably approximately 20.5 mm, as shown in FIG.
  • the thickness of the chassis 102 is about 4 mm, and if some variation is taken into account, the thickness of the 3.5-inch standard recording/reproducing device is approximately 18 mm. .
  • the space 1a is provided as large as possible, it is natural that the effects of noise such as the electric field and magnetic field and the effects of operation noise, etc., are reduced.
  • the space part 1a is about four thighs, and the thickness of the chassis 102 is about 2 mm. A suitable thickness is about 17 thighs.
  • a shielding material for blocking noise such as the electric field and the magnetic field described above, or a sound absorbing material for the operation noise, etc., is provided in the space 103a. It is also possible to deploy a sound absorbing material that prevents resonance, etc., or a damper material that has viscoelasticity, etc., and the intended function is further improved.
  • the front bezel 104 When inserting a disk into the recording/reproducing device 1 from the disk insertion opening 104a of the front bezel 104, in order to match the positional relationship between the two, generally the front bezel Although it is preferable to attach the bezel 104 to the recording/reproducing device 1, as described above, in this embodiment, the front bezel 104 is attached to the upper end of both side surfaces of the chassis 102 so as not to tilt forward.
  • a key-shaped engaging portion 102b for supporting is formed, and a hook portion 104c that engages with the engaging portion 102b is provided on the front bezel 104, and the Engagement portion 102b and hook portion 104c are engaged, and front bezel 104 is fixed to the bottom surface of chassis 102 by screw 119, Since it has a strong fixed structure, even if you hold only the front bezel 104 during handling, it has sufficient strength and will not be deformed.
  • the bezel 104 As a holding means for supporting the front bezel 104 so that it does not tilt forward, key-shaped engaging portions 102b are formed on the upper ends of both side surfaces of the chassis 102,
  • the bezel 104 is provided with a hook portion 104c that engages with the engaging portion 102b.
  • an engagement form (not shown) in which the front bezel 104 is engaged with the chassis 102 from the inside may be employed. .
  • the front bezel 104 is attached to the chassis 102.
  • a configuration in which a disk insertion opening is formed in the external case of various electronic equipment such as a computer may be used.
  • one relay board 105 and 105A is configured, and in FIGS. 31 and 32, two relay boards 115 and 115A are configured.
  • the one-piece relay boards 105 and 105A can be configured at low cost, and two boards In the case of the configured medium fiber substrates 115 and 115A, they can be combined with the recording/reproducing device 1 and separated one by one, so the combination is highly flexible.
  • the relay boards 105 105 A and 115.115 A have the current drive capability of the output signal of the recording/reproducing device 1 of the 3.5 inch standard, although it has a drive element 112 that increases to the current value of the standard FDD, it is not necessary to have the drive element 112 if both current values are equal.
  • FIGS. 29 and 31 Connection between relay board and recording/reproducing device
  • power is supplied from relay boards 105 and 115 to recording/reproducing device 1 through power supply terminal 111.
  • Power is supplied from relay boards 105A and 11 ⁇ A to recording/reproducing device 1 through connector 109 arranged at the end of flat cable 110, but there is a functional difference.
  • the structure in which power is supplied through the connector 109 arranged at the end of the flat cable 110 instead of through the power terminal 111 can be constructed at low cost. When power is supplied, it matches the power supply method of the conventionally standardized 3.5-inch recording/reproducing device, so the recording/reproducing device 1 does not have a special surface configuration, and can be combined. Flexible.
  • the core fiber substrate and the recording/reproducing device are directly connected to each other with connectors, and precise alignment of both is possible.
  • it is configured to be connected via the flat cable 110, so there is no need for precise alignment of both, and the recording/reproducing device 1 and the relay board 10 5 1 1 5 or recording/reproducing device 1 and intermediate ribbon substrate 1 0 5 ⁇ 1 1 5 ⁇ can be easily recombined, and anyone can make a combination according to the purpose.
  • A is a selection for selectively setting the drive state of the 3.5-inch standard recording/reproducing device 1 (generally referred to as drive select) or for selectively setting the specifications.
  • the selective condition setting means for example, a plurality of short plugs 114 are provided. If it is provided in a standard recording/reproducing device 1, the recording/reproducing device 1 is thin and the selection position has to be set in a narrow space, which makes handling very difficult.
  • the selective condition setting means is provided on the relay boards 105*105A and 115-115A, which have a lot of space, the condition setting is extremely easy to handle.
  • the short plug 114 is also effective to set the short plug 114 as a completely different use, for example, as a test terminal for electrically monitoring the driving state of the recording/reproducing device 1.
  • a test terminal for electrical monitoring for example, a pattern run is provided on the relay boards 105 105 A and 115 115 A, which have a large amount of space, as a completely different means of electrical monitoring. It is also possible to provide
  • a plurality of short plugs 114 are illustrated as the selective condition setting means, but switching means such as a slide switch, for example, is also effective as the selective condition setting means.
  • Control for electrically controlling the recording/reproducing device 1 such as setting of the selective driving state of the recording/reproducing device 1, setting of selective specifications, electrical monitoring of the driving state, etc. If the control means is provided on the medium fiber substrates 105-105A and 115-115A, which have a large amount of space, the ease of setting the control conditions is extremely good.
  • 121 is a computer main unit that incorporates various electronic devices and performs electrical processing
  • 122 is a display that performs display based on commands from the main unit 121
  • 1 23 is a keyboard for inputting commands to the main unit 121.
  • the main unit 121 is equipped with two 5-inch standard FDD 124 and one 5-inch standard HDD 125 as external storage devices, and furthermore, other external storage devices can be installed. It has a spare loading area 1 2 6 for one vehicle. Then, the main unit 121 receives the transfer of software, data, etc. from the 5-inch standard FDD 124 or the 5-inch standard HDD 125, or performs predetermined processing by transferring the data. and its processing functions and processing capabilities are not limited to the functions and capabilities it has. It depends on the storage capacity of the internal storage device, the data transfer speed, and the like.
  • main unit 121 is preconfigured with the minimum functions that characterize the system. (omitted in the figure) is prepared in advance for function expansion, and it is easy to combine or replace the external storage devices mounted on the main unit 121, and the processor can be configured according to the purpose of the system configuration.
  • the main unit 121 shown in Fig. 37 has a very general configuration, and is equipped with two 5-inch standard FDD 12 ⁇ as external storage devices as described above, and is normally used.
  • Two 5-inch standard FDD 124 units are used for loading or copying commercial software, data backup, etc.
  • 5-inch standard HDD 125 units are used for a large amount of software. and data, and is in charge of high-speed transfer with the main unit 121.
  • the recording/reproducing apparatus of the present embodiment has two 3.5-inch standard recording/reproducing apparatuses, the following configuration can be achieved.
  • the spare mounting area 126 is left as a mounting area for another external storage device.
  • a main unit equipped with an HDD only needs to have the functions of one FDD.
  • the main unit is equipped with only one 5-inch standard FDD 124 and the spare mounting area 126 is not enough, the 5-inch standard FDD 1 If 24 are taken and one of them is replaced with the two 3.5-inch standard recording/reproducing devices of the above embodiment, two 3.5-inch standard recording/reproducing devices can be installed without making any changes to the main unit. Functional extension to those equipped with standard recording/reproducing devices can.
  • two units can be installed in a space of the same size as the standardized conventional 5-inch FDD124.
  • a 3.5-inch standard recording/reproducing device can be installed, software recorded on a 3.5-inch standard recording medium can also be used.
  • the hardware of the main unit 121 does not need to be greatly improved or changed, and the functions can be easily expanded without interfering with the recording/reproducing function.
  • the recording/reproducing device can be made significantly smaller, especially thinner, than the conventional one.
  • the arrangement space can be reduced as much as possible, the entire electronic device as described above can be miniaturized, and the degree of freedom in the arrangement and design of the recording/reproducing device with respect to the electronic device can be increased. can be done.
  • the recording/reproducing device according to the present invention can replace the 5-inch standard recording/reproducing device that has been generally formed with a thickness of 4 Iran as described above.
  • an electronic device using a recording medium of the 5-inch standard as described above can be used with a recording medium of a different standard, such as a 3.5-inch standard, or both.
  • a recording medium of a different standard such as a 3.5-inch standard, or both.
  • This is effective when making it possible to use standardized recording media.
  • 3.5-inch standard recording media are more reliable in handling than 5-inch standard recording media.
  • the present invention is convenient for the development of software technology, and the software for recording on the conventional 5-inch standard recording medium can be used. It is also possible to implement software that could not be configured with software.
  • the unit sale business of the recording/reproducing device of the above embodiment, the set sale business of the recording/reproducing device and software technology, the recording/reproducing device and other external recording device It does not require a large capital investment and does not require advanced hardware expertise, such as a set sale business or a set sale business of a recording/reproducing device and a function expansion circuit board. This makes it possible to develop new businesses with unprecedented agility, in which comprehensive system expansion can be easily performed by simple and inexpensive means.

Abstract

La présente invention se rapporte à un dispositif d'enregistrement/reproduction utilisé, par exemple, dans un ordinateur, et notamment à un dispositif servant à enregistrer des données désirées sur un support d'enregistrement tel qu'une disquette et à reproduire ces données. Ce dispositif d'enregistrement/reproduction présente un faible encombrement et une épaisseur réduite afin de pouvoir être monté dans les ordinateurs actuels de petites dimensions. En outre, afin de réduire l'épaisseur, on utilise un aimant de terres rares et un aimant de Nd-Fe-B, qui sont petits et produisent une intense force magnétique, comme aimants de rotor pour le moteur d'entraînement de disquette et le moteur d'entraînement de chariot. Le moteur d'entraînement de disquette, de chariot ou d'un arbre de guidage du chariot et une carte de circuit sont disposés de manière à ne pas se chevaucher sur un plan. Ce dispositif d'enregistrement/reproduction présente une épaisseur réduite et un faible encombrement et correspond à la tendance actuelle dans la conception des ordinateurs personnels, qui vise à réduire les dimensions de ces derniers. Par ailleurs, il est possible de loger plusieurs de ces nouveaux dispositifs dans l'emplacement prévu pour les lecteurs utilisés jusqu'à présent.
PCT/JP1989/000906 1988-09-05 1989-09-01 Dispositif d'enregistrement/reproduction WO1990003031A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019900700919A KR940007515B1 (ko) 1988-09-05 1989-09-01 기록 재생 장치
GB9008807A GB2231442A (en) 1988-09-05 1990-04-19 Recording/reproducing apparatus
US09/046,132 USRE37503E1 (en) 1988-09-05 1998-03-23 Floppy disk drive device
US09/046,130 USRE37426E1 (en) 1988-09-05 1998-03-23 Floppy disk dive device

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
JP63/221864 1988-09-05
JP22186488 1988-09-05
JP1/24647 1989-02-02
JP2464789 1989-02-02
JP12072789 1989-05-15
JP12072889 1989-05-15
JP1/120727 1989-05-15
JP1/120728 1989-05-15
JP19587489 1989-07-28
JP19587189 1989-07-28
JP1/195871 1989-07-28
JP1/195874 1989-07-28
JP22204089 1989-08-29
JP1/222040 1989-08-29

Publications (1)

Publication Number Publication Date
WO1990003031A1 true WO1990003031A1 (fr) 1990-03-22

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US (4) US5469421A (fr)
JP (15) JP2850431B2 (fr)
GB (1) GB2231442A (fr)
WO (1) WO1990003031A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0721187A2 (fr) * 1994-12-28 1996-07-10 Mitsubishi Denki Kabushiki Kaisha Appareil de stockage interchangeable, moyens d'asservissement pour le support/d'enregistrement, asservissement pour la tête de lecture/écriture, et cassette pour le support d'enregistrement

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2850431B2 (ja) 1988-09-05 1999-01-27 セイコーエプソン株式会社 記録媒体駆動装置及びこれを備えた電子機器
USRE37791E1 (en) * 1991-06-24 2002-07-16 Seiko Epson Corporation Disk driving motor and chucking mechanism for disk drive apparatus
US5648881A (en) * 1991-06-24 1997-07-15 Seiko Epson Corporation Disk driving motor and chucking mechanism for disk drive apparatus
DE69232492T2 (de) * 1991-12-07 2002-11-28 Minebea Kk Motor zum Andrehen einer Platte
GB2276756B (en) * 1993-04-01 1996-12-18 Citizen Watch Co Ltd Magnetic disc drive apparatus
US5583716A (en) * 1993-10-15 1996-12-10 Teac Corporation Magnetic disk apparatus in which two disk drive units which access different size disks are combined
JP2960295B2 (ja) 1993-11-01 1999-10-06 三菱電機株式会社 カートリッジ交換機構
US5663603A (en) * 1994-12-08 1997-09-02 Kabushiki Kaisha Sankyo Seiki Seisakusho Rotary element driving device
EP0747897A3 (fr) * 1995-06-06 1997-08-06 Iomega Corp Mécanisme de verrouillage de moyen de cassette à disque
JPH08339622A (ja) * 1995-06-13 1996-12-24 Matsushita Electric Ind Co Ltd フロッピーディスクスピンドルモータのチャック台
US5748404A (en) * 1995-09-18 1998-05-05 Alps Electric Co., Ltd. Magnetic recording/reproducing device with chassis support structure
US5805378A (en) * 1995-09-26 1998-09-08 Mitsumi Electric Co., Ltd. Magnetic disk drive of a structure capable of being lightened in weight
US6243350B1 (en) 1996-05-01 2001-06-05 Terastor Corporation Optical storage systems with flying optical heads for near-field recording and reading
JPH1132466A (ja) * 1997-07-10 1999-02-02 Nippon Densan Corp モータ
US6111726A (en) * 1998-04-28 2000-08-29 Imation Corp. Data storage cartridge with rotary shutter
US6078482A (en) * 1998-10-16 2000-06-20 Imation Corp. Data storage cartridge with releasable shutter assembly
WO2000026906A1 (fr) * 1998-10-30 2000-05-11 Iomega Corporation Moteur a axe et profil bas, destine a un dispositif d'entrainement de disque
JP3543930B2 (ja) * 1998-11-18 2004-07-21 アルプス電気株式会社 ブラシレスモータとこのブラシレスモータを用いた磁気記録再生装置
DE69931145T2 (de) * 1998-11-30 2007-04-05 Koninklijke Philips Electronics N.V. Klemmvorrichtung für plattenförmigen informationsträger
KR100372247B1 (ko) * 2000-05-22 2003-02-17 삼성전자주식회사 프리페치 동작모드를 가지는 반도체 메모리 장치 및 메인데이터 라인수를 줄이기 위한 데이터 전송방법
JP4099641B2 (ja) * 2002-03-13 2008-06-11 ミツミ電機株式会社 フレキシブルディスクドライブ
US20050201010A1 (en) * 2004-03-12 2005-09-15 Yiren Hong Disc media retainer
JP4114079B2 (ja) * 2004-06-24 2008-07-09 ミツミ電機株式会社 ディスクチャッキング機構
US7733659B2 (en) * 2006-08-18 2010-06-08 Delphi Technologies, Inc. Lightweight audio system for automotive applications and method
KR101019271B1 (ko) 2010-07-16 2011-03-07 삼성전기주식회사 모터 및 이를 이용하는 광 디스크 드라이브

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5990202A (ja) * 1982-11-12 1984-05-24 Hitachi Ltd フロツピ−デイスク駆動装置
JPS60194503A (ja) * 1984-03-16 1985-10-03 Seiko Epson Corp 複合永久磁石の製造方法
JPS62150577A (ja) * 1985-12-25 1987-07-04 Hitachi Ltd 磁気デイスク装置
JPS62164849A (ja) * 1986-01-16 1987-07-21 Seiko Instr & Electronics Ltd 希土類鉄系永久磁石

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4602306A (en) * 1981-10-30 1986-07-22 Teac Corporation Recorder/reproducer apparatus with a disc-shaped record medium
JPS59107792A (ja) 1982-12-13 1984-06-22 Nippon Steel Weld Prod & Eng Co Ltd 充填心線を用いた被覆ア−ク溶接棒
JPS6044476A (ja) 1983-08-17 1985-03-09 三菱電機株式会社 エレベ−タの運転操作盤
JPS6044476U (ja) 1983-09-05 1985-03-28 株式会社三協精機製作所 フロッピ−ディスク駆動用モ−タ
JPS60111592U (ja) 1983-12-29 1985-07-29 シャープ株式会社 記録再生装置
JPS60164953A (ja) * 1984-02-06 1985-08-28 Sony Corp デイスクの回転駆動装置
JPS60190162A (ja) 1984-03-09 1985-09-27 Hitachi Ltd チヨツパ−制御装置
JPS60190162U (ja) 1984-05-23 1985-12-17 ソニー株式会社 電子カメラ等のモ−タ装置
JPS616968U (ja) * 1984-06-19 1986-01-16 アルプス電気株式会社 デイスク用記録再生装置
CA1228677A (fr) 1984-06-21 1987-10-27 Cray Research, Inc. Systeme d'interface peripherique
JPS619866A (ja) * 1984-06-22 1986-01-17 Seiko Epson Corp 回転駆動装置
JPS619888A (ja) 1984-06-25 1986-01-17 Hitachi Ltd 磁気バブルメモリ素子
JPS6113359U (ja) 1984-06-29 1986-01-25 株式会社三協精機製作所 デイスクの回転駆動装置
JPS6120260A (ja) 1984-07-05 1986-01-29 Sharp Corp 磁気デイスク記録再生装置の誤插入防止機構
JPS6154073A (ja) * 1984-08-23 1986-03-18 Tokyo Juki Ind Co Ltd 磁気記録媒体の位置決め機構
JPS6179860A (ja) 1984-09-26 1986-04-23 Hitachi Ltd 電磁式燃料噴射弁
JPS6198269A (ja) 1984-10-19 1986-05-16 ソニー株式会社 バツト
JPS6179860U (fr) 1984-10-31 1986-05-28
JPS61123680A (ja) 1984-11-20 1986-06-11 Nitto Electric Ind Co Ltd ポリウレタン系絶縁電線
JPS6198269U (fr) 1984-11-30 1986-06-24
JPH0448145Y2 (fr) 1985-01-18 1992-11-12
JPH0422431Y2 (fr) * 1985-01-24 1992-05-22
JPH0510279Y2 (fr) * 1985-02-28 1993-03-12
JPS61149158U (fr) * 1985-03-06 1986-09-13
JPH066590B2 (ja) * 1985-07-15 1994-01-26 サンアプロ株式会社 新規アミジン，その製造法および使用法
JPH0319088Y2 (fr) * 1985-06-03 1991-04-23
US4772974A (en) * 1985-06-04 1988-09-20 Plus Development Corporation Compact head and disk assembly
JPH0743865B2 (ja) * 1985-07-23 1995-05-15 ソニー株式会社 デイスクの回転駆動装置
JPS6242152A (ja) 1985-08-15 1987-02-24 Fuji Photo Film Co Ltd 画像形成方法
JPS62164847A (ja) 1986-01-17 1987-07-21 Nippon Steel Corp 多孔質焼結成形体の製造方法
JPH0739389B2 (ja) 1986-03-03 1995-05-01 吉富製薬株式会社 ２，２，６，６−テトラメチル−４−オキソピペリジンの製造方法
JPS62234261A (ja) * 1986-04-04 1987-10-14 Fuji Photo Film Co Ltd 磁気シ−トパツクの着脱装置
US4901173A (en) * 1986-04-21 1990-02-13 Jones David E Apparatus for coupling record disk to disk drive
JPH0516687Y2 (fr) * 1986-04-21 1993-05-06
JPS6310761U (fr) 1986-07-09 1988-01-23
JPS6339169A (ja) 1986-08-01 1988-02-19 Matsushita Electric Ind Co Ltd シヤツタ−オ−プン装置
JPS6347445U (fr) 1986-09-11 1988-03-31
JPS6390058A (ja) 1986-10-02 1988-04-20 Seiko Epson Corp 磁気記録装置
JPS63100555A (ja) * 1986-10-17 1988-05-02 Hitachi Ltd 情報記録再生装置
JPS63105948A (ja) 1986-10-22 1988-05-11 Honda Motor Co Ltd 鉄基焼結合金製耐摩耗性摺動部材
JPH0422434Y2 (fr) 1986-12-27 1992-05-22
US4855850A (en) * 1986-12-27 1989-08-08 Copal Company Limited Disk drive apparatus with disk rotating means
JPH0711903B2 (ja) * 1987-06-12 1995-02-08 旭光学工業株式会社 磁気ディスク記録再生装置
JPS6412296U (fr) * 1987-07-10 1989-01-23
US4748738A (en) * 1987-07-21 1988-06-07 Magnetic Peripherals Inc. High strength magnet-pole piece assembly tool
JPS6459976A (en) 1987-08-31 1989-03-07 Nec Corp Laser tube
JPH056599Y2 (fr) 1987-10-08 1993-02-19
US4965684A (en) * 1988-01-25 1990-10-23 Conner Peripherals, Inc. Low height disk drive
US4870518A (en) * 1988-02-26 1989-09-26 Syquest Technology Removable cartridge disc drive with radial arm voice coil actuator
US5461523A (en) * 1988-08-12 1995-10-24 Canon Denshi Kabushiki Kaisha Disc unit having a drive motor and a chucking assembly for holding a disc therewith
JP2850431B2 (ja) * 1988-09-05 1999-01-27 セイコーエプソン株式会社 記録媒体駆動装置及びこれを備えた電子機器
JP2664995B2 (ja) 1989-06-22 1997-10-22 アルプス電気株式会社 デイスクチヤツキング装置
US5025336A (en) * 1989-11-06 1991-06-18 Prairietek Corporation Disk drive apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5990202A (ja) * 1982-11-12 1984-05-24 Hitachi Ltd フロツピ−デイスク駆動装置
JPS60194503A (ja) * 1984-03-16 1985-10-03 Seiko Epson Corp 複合永久磁石の製造方法
JPS62150577A (ja) * 1985-12-25 1987-07-04 Hitachi Ltd 磁気デイスク装置
JPS62164849A (ja) * 1986-01-16 1987-07-21 Seiko Instr & Electronics Ltd 希土類鉄系永久磁石

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0721187A2 (fr) * 1994-12-28 1996-07-10 Mitsubishi Denki Kabushiki Kaisha Appareil de stockage interchangeable, moyens d'asservissement pour le support/d'enregistrement, asservissement pour la tête de lecture/écriture, et cassette pour le support d'enregistrement
EP0721187A3 (fr) * 1994-12-28 1996-07-24 Mitsubishi Electric Corp
US6510026B2 (en) 1994-12-28 2003-01-21 Mitsubishi Denki Kabushiki Kaisha Exchangeable storage apparatus, recording medium drive actuator, head drive actuator, and recording medium cartridge

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JP3539498B2 (ja) 2004-07-07
JP2002150663A (ja) 2002-05-24
JP3345888B2 (ja) 2002-11-18
JP2914380B2 (ja) 1999-06-28
JP2002123998A (ja) 2002-04-26
JPH11126471A (ja) 1999-05-11
JP2001184818A (ja) 2001-07-06
USRE37426E1 (en) 2001-10-30
JP2850431B2 (ja) 1999-01-27
JP2004047101A (ja) 2004-02-12
GB2231442A (en) 1990-11-14
US5610782A (en) 1997-03-11
JP3447722B2 (ja) 2003-09-16
JPH11120756A (ja) 1999-04-30
JP2914379B2 (ja) 1999-06-28
JP2000067572A (ja) 2000-03-03
JP2002117610A (ja) 2002-04-19
JP2998748B2 (ja) 2000-01-11
USRE37503E1 (en) 2002-01-08
JPH11134827A (ja) 1999-05-21
JP2000076761A (ja) 2000-03-14
JPH11126439A (ja) 1999-05-11
US5469421A (en) 1995-11-21
GB9008807D0 (en) 1990-07-18
JP3095017B2 (ja) 2000-10-03
JP2000057668A (ja) 2000-02-25
JP3087756B2 (ja) 2000-09-11
JP3087755B2 (ja) 2000-09-11
JPH11134754A (ja) 1999-05-21
JP3152213B2 (ja) 2001-04-03
JP2000057759A (ja) 2000-02-25
JPH11120665A (ja) 1999-04-30

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